Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 31, Problem 4ASRQ
While discussing injector testing: Technician A says that a defective injector may cause cylinder misfiring at idle speed. Technician B says that restricted injector tips may result in acceleration stumbles. Who is correct?
a. Technician A
b. Technician B
c. Both A and B
d. Neither A nor B
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Technician A says that broken engine mounts
can cause the fan to hit the shroud.
Technician B says that missing or broken air
dams can cause an engine to overheat. Who
is correct?
Select one:
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
Technician A says that the engine oil drain
plug typically needs to be replaced with a
new one at each oil change. Technician B
says that engine oil drain plugs must be
tightened with a torque wrench when they
are installed. Who is correct?
Select one:
a. Technician A
b. Technician B
c. Both A and B
d. Neither A nor B
Technician A uses a feeler gauge and straightedge to determine the pump cover flatness.Technician B uses an outside micrometer tomeasure the diameter and thickness of theouter rotor. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor B
Chapter 31 Solutions
Automotive Technology
Ch. 31 - List four service precautions for working on the...Ch. 31 - What is indicated by a LTFT reading of 24 percent?Ch. 31 - Describe how testing GDI fuel systems differs from...Ch. 31 - What is the difference between the pulse width and...Ch. 31 - How can you use a dual trace scope to make sure...Ch. 31 - What are three possible problems that can allow...Ch. 31 - What is the purpose of having two accelerator...Ch. 31 - What is indicated by a negative LTFT value?Ch. 31 - What problem may result from dirt buildup on an...Ch. 31 - What is the difference between STFT and LTFT?
Ch. 31 - True or False? The signals from an air-fuel ratio...Ch. 31 - Prob. 2TFCh. 31 - Which of the following is the most likely cause of...Ch. 31 - The PCM checks for a closed throttle plate each...Ch. 31 - Which of the following would not cause a...Ch. 31 - While discussing the causes of...Ch. 31 - While discussing IAC valve diagnosis: Technician A...Ch. 31 - While discussing IAC motor removal, service, and...Ch. 31 - While discussing injector testing: Technician A...Ch. 31 - While discussing airflow sensors: Technician A...Ch. 31 - While discussing scan tool diagnosis of fuel...Ch. 31 - While discussing a high idle speed problem:...Ch. 31 - While discussing the causes of a rich air-fuel...Ch. 31 - While diagnosing an idle speed problem: Technician...Ch. 31 - While looking at fuel trim values: Technician A...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Technician A says that you may be able to smell antifreeze from a leaking heater core. Technician B says that you may be able to hear a loose belt when the engine is running. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardTechnician A says that coolant hoses should be squeezed to check for hardening or softening. Technician B says that coolant hoses should be visually inspected for swelling and cracks. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardWhile discussing central port injection systems: Technician A says that CPI systems use one injector and several injector nozzles. Technician B says that CPI systems open each injector sequentially. Who is correct? A.Technician A B.Technician B C.Both A and B D.Neither A nor Barrow_forward
- A discussion concerning CV joint testing is being held. Technician A says that a recommended method to check CV joints is to raise the vehícle so that the lower control arms are hanging freely; at this point the engine can be accelerated while noise checks can be performed. Technician B says that the vehicle should be road tested so that the CV joints can be checked under load. Who is correct? O a. A only O b. B only c. Both A and B d. Neither A nor Barrow_forwardTechnician A says that when installing an oil filter, you should tighten it with a filter wrench to prevent it from falling off. Technician B says that oil filters should only be installed by hand. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardA vehicle makes a loud clicking sound during a left turn; during a right turn, the clicking noise is still apparent but is less pronounced. Technician A says that the left inner CV joint may be the source of the noise. Technician B says that the left outer CV joint may be causing the noise. Who is correct? O a. A only Ob.B only O c. Both A and B O d. Neither A nor Barrow_forward
- A vehicle has had several radiator replacements, and each time there has been pinhole leaks in the aluminum. Technician A states that the engine coolant may need to be exchanged more often. Technician B states that the engine grounds should be inspected closely since this could be the cause. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forward1.Name type of failures in engine blocksarrow_forwardA digital speedometer constantly reads 0 mph : TechnicianA says that the problem may be the vehiclespeed sensor. Technician B says that the problem maybe the throttle position sensor. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor Barrow_forward
- A technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and the cooling system pulled into a vacuum when cold. Technician A states that a leak in the surge tank could be the cause. Technician B states that the radiator cap is most likely defective. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forwardTechnician A says that excessive engine oil consumption can be caused by low oil levels. Technician B says that excessive oil consumption can be caused by worn valve guides. Who is correct?arrow_forwardAfter replacing a vacuum booster, the brakes lock up on a road test. Technician A says there is air trapped inside the brake lines. Technician B says the power booster pushrod needs adjustment. Who is correct? a. A only b. B only c. both A and B d. neither A nor Barrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Automotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Material Properties 101; Author: Real Engineering;https://www.youtube.com/watch?v=BHZALtqAjeM;License: Standard YouTube License, CC-BY